The purpose of this article was to examine evidence in the literature among peer-based interventions and programs of components and behavioral mechanisms utilized to improbe HIV care cascade outcomes. This review highlighted the peer behavioral mechanisms that operate in various types of peer approaches to improve HIV care and outcomes in numerous settings and among diverse populations. The peer-based approach is flexible and commonly used, particularly in resource-poor settings.
Funding for this initiative was made possible by grant no. 1H79TI083022 from SAMHSA. The views expressed in written conference materials or publications and by speakers and moderators do not necessarily reflect the official policies of the Department of Health and Human Services; nor does mention of trade names, commercial practices, or organizations imply endorsement by the U.S. Government.